It is customary, for them, for the the women to engage in daily activities of milking cows, taking care of the children while the men go hunting, sometimes leaving for long periods of time.
With a population of over 50,000, the Himba are a polygamous people where Himba girls are married off to male partners selected by their fathers once they attain puberty.
Most of their cultures have been upheld despite western influence and agitation.
Among these is the "Man comes first" tradition. The woman has little or no opinion in the decision making. Submission to her husband’s demands come first.
According to the Guardian, "When a visitor comes knocking, a man shows his approval and pleasure of seeing his guest by giving him the Okujepisa Omukazendu treatment ‐ the wife is given to his guest to spend the night while the husband sleeps in another room. In a case where there is no available room, her husband will sleep outside."
This, apparently, reduces jealousy and fosters relationships.